FNUS75 KSLC 171154
FWSSLC

SPOT FORECAST FOR COOPER KNOLL
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
554 AM MDT TUE MAY 17 2011

.DISCUSSION...WEST-SOUTHWESTERLY FLOW WILL PREVAIL TODAY AHEAD
OF AN APPROACHING PACIFIC STORM SYSTEM. THIS FLOW WILL ALLOW FOR
EXCELLENT MIXING THROUGHOUT THE DAY. A STORM SYSTEM ALONG THE
WEST COAST WILL CROSS THE AREA LATE TONIGHT THROUGH WEDNESDAY.
THE MOST LIKELY PERIOD OF SNOWFALL WITH THIS SYSTEM WILL COME
DURING THE DAY WEDNESDAY...WITH SHOWERS LINGERING INTO THURSDAY.
SNOW ACCUMULATION WILL MOST LIKELY FALL IN THE 1 TO 3 INCH RANGE
THROUGH WEDNESDAY EVENING. WINDS BEHIND THE SYSTEM WILL TURN TO
THE NORTHWEST...WITH CLEARING INDICES REMAINING WELL ABOVE 500
THROUGH AT LEAST THURSDAY.

.TODAY...
  LAL.................1.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT CLOUD COVER).
                      A 20 PERCENT CHANCE OF SNOW SHOWERS IN
                      THE AFTERNOON.
  MAX TEMPERATURE.....41-44.
  MIN HUMIDITY........37-40 PERCENT.
  WINDS - 20-FOOT.....BREEZY. WEST-SOUTHWEST WINDS 5-10 MPH
                      INCREASING TO 15-25 MPH IN THE LATE MORNING
                      AND AFTERNOON.

.TONIGHT...
  LAL.................1.
  HAINES INDEX........2 ..VERY LOW.
  SKY/WEATHER.........MOSTLY CLOUDY (85-95 PERCENT CLOUD COVER). A
                      30 PERCENT CHANCE OF SNOW SHOWERS.
  MIN TEMPERATURE.....NEAR 30.
  MAX HUMIDITY........85-88 PERCENT.
  WINDS - 20-FOOT.....WEST WINDS 10-20 MPH.


.OUTLOOK FOR WEDNESDAY...
  LAL.................2.
  HAINES INDEX........3 ..VERY LOW.
  CLEARING INDEX......1000+.
  SKY/WEATHER.........CLOUDY (95-100 PERCENT CLOUD COVER). PERIODS
                      OF SNOW...POSSIBLY MIXED WITH RAIN BELOW 8000
                      FEET. A SLIGHT CHANCE OF THUNDERSTORMS.
  MAX TEMPERATURE.....NEAR 40.
  MIN HUMIDITY........76-79 PERCENT.
  WINDS - 20-FOOT.....WEST-SOUTHWEST WINDS 10-15 MPH INCREASING TO
                      15-20 MPH IN THE AFTERNOON.



FORECASTER...SEAMAN
REQUESTED BY...SKEET D  HOUSTON
REASON FOR REQUEST...PRESCRIBED
.TAG 20110517.COOPE.01/SLC

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